Carrier 30GTN015-035 installation instructions Field Wiring Schematic

TB4

REMOTE

ON-OFF

LEGEND

C— Compressor Contactor

CB — Circuit Breaker

CCN — Carrier Comfort Network CWFS — Chilled Water Flow Switch CWP — Chilled Water Pump

CWPI — Chilled Water Pump Interlock

FC — Fan Contactor

GCS — Ground Current Sensor LEN — Local Equipment Network MBB — Main Base Board

NEC — National Electrical Code (U.S.A. Standard)

TB — Terminal Block TDR — Time Delay Relay TRAN — Transformer

Field Power Wiring

Field Control Power Wiring

Field Control Wiring

Factory-Installed Wiring

Field-Installed Device

NOTES:

1.Factory wiring is in accordance with the National Electrical Code. Any field mod- ifications or additions must be in compliance with all applicable codes.

2.Connect separate source of control power from field supplied fused disconnect to terminal 1 of TB4. Neutral side must be connected to terminal 2. This provides power for the unit control circuit, cooler heater and compressor crankcase heater.

3.All field interlock contacts must have minimum rating of 360 va pilot duty plus capacity required for field-installed equipment.

4.For internal unit wiring reference wiring book or unit wiring label diagram.

5.For GCS accessory, remove jumper wire between terminals 5 and 8 on terminal block TB2.

6.For part wind start accessory, remove gray jumper wire between C-A1-C1 and C-A1A-C1. Time delay relay shown in suggested mounting position.

7.Voltage requirements:

MAIN POWER	CONTROL POWER
208/230-3-60	115-1-60
460-3-60	115-1-60
575-3-60	115-1-60
380-3-60	220-1-60
380/415-3-50	230-1-50

Fig. 8 — Field Wiring Schematic

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